Technical Field Service Engineer (Residential & C&I)

Hammerjack Pty Ltd; Philippines; On-site; PHP 700,000 - 1,100,000; Full time

Job summary

Hammerjack Pty Ltd is seeking a Technical Field Service Engineer for Solar PV and Battery Energy Storage System installations across Residential and C&I projects. The role covers on-site commissioning, maintenance, fault diagnosis, and performance optimization, with emphasis on safety and regulatory compliance.

The successful candidate will travel domestically frequently and overseas occasionally, supporting customers, installers, EPCs, and partners while delivering training and technical

Qualifications

• Bachelor's Degree or above in Electrical Engineering, Electronics Engineering, Renewable Energy Engineering, or other related Engineering disciplines.
• Minimum 3 years of experience in field service, commissioning, technical support, operations and maintenance, or related roles within renewable energy, solar, energy storage, or power electronics industries.
• Minimum 2 years of hands-on experience in Solar PV system installation, commissioning, troubleshooting, and maintenance.
• Experience with Battery Energy Storage Systems (BESS), hybrid inverter systems, energy management systems, or related renewable energy technologies is highly preferred.
• Experience working with Residential and Commercial & Industrial (C&I) Solar PV projects is an advantage.

Responsibilities

• Perform pre-commissioning, commissioning, testing, system acceptance, and handover activities for Solar PV and BESS projects.
• Provide on-site and remote technical support for Solar PV systems, inverter, battery energy storage systems, EMS/BMS, and monitoring platforms.
• Conduct preventive maintenance, corrective maintenance, fault diagnosis, troubleshooting, and repair to ensure system reliability.
• Diagnose and resolve issues related to PV inverters, batteries, BMS, EMS, monitoring platforms, and related components.
• Ensure all field service activities comply with local electrical regulations, standards, and safety requirements.
• Coordinate service activities with customers, installers, EPC contractors, service partners, and internal departments for timely completion.
• Manage service cases and maintain records of commissioning reports, maintenance, spare parts, and warranties.
• Identify opportunities for service revenue through maintenance contracts, spare parts sales, and system upgrades.
• Deliver technical training, product demonstrations, and knowledge-sharing sessions for clients and partners.
• Represent the company as a technical expert during meetings, workshops, webinars, and industry events.
• Support sales by providing technical assessments and site visits for PV and BESS solutions.
• Establish and maintain relationships with customers and partners to support long-term growth.
• Communicate effectively with management and teams to drive operational excellence.

Skills

Solar PV systems

BESS systems

Troubleshooting

Commissioning

Remote support

Electrical safety

Documentation

Project coordination

Customer communication

English proficiency

Chinese language

Education

Bachelor's Degree in Electrical Engineering

Renewable Energy Engineering

Tools

SCADA

Modbus

Monitoring platforms

BMS interfaces

Job description

Technical Field Service Engineer - Solar PV & BESS (Residential & C&I)

Position Summary

The Technical Field Service Engineer is responsible for providing high-quality technical support and customer service for Solar Photovoltaic (PV) and Battery Energy Storage System (BESS) solutions across Residential and Commercial & Industrial (C&I) projects. The role involves commissioning, maintenance, troubleshooting, repair, technical training, and system performance optimization.

The successful candidate will support customers, installers, EPC contractors, and channel partners through on-site services, remote technical support, hotline assistance, and email communications. The position also serves as a technical representative of the company during customer meetings, training sessions, seminars, webinars, and industry events.

This is a permanent full-time role requiring frequent domestic travel and occasional overseas travel.

Key Responsibilities

• Perform pre-commissioning, commissioning, testing, system acceptance, and handover activities for Solar PV and BESS projects.
• Provide on-site and remote technical support for Solar PV systems, hybrid inverters, battery energy storage systems, monitoring platforms, communication devices, and related electrical equipment.
• Conduct preventive maintenance, corrective maintenance, fault diagnosis, troubleshooting, and repair activities to ensure system reliability and performance.
• Diagnose and resolve issues related to PV inverters, batteries, Battery Management Systems (BMS), Energy Management Systems (EMS), monitoring platforms, communication networks, and other system components.
• Ensure all field service activities comply with local electrical regulations, company standards, and workplace health and safety requirements.
• Coordinate service activities with customers, installers, EPC contractors, service partners, and internal departments to ensure timely completion of service requests and project milestones.
• Manage service cases and maintain accurate records of commissioning reports, maintenance activities, spare parts inventory, warranty claims, service expenses, and customer feedback.
• Support service partner management activities, including technical guidance, training, performance evaluation, and coordination of field service work.
• Identify opportunities for service revenue generation through maintenance contracts, spare parts sales, warranty extensions, system upgrades, and value-added service offerings.
• Monitor system performance, analyze operational data, conduct root-cause analysis, and provide recommendations to improve system efficiency, reliability, and customer satisfaction.
• Deliver technical training, product demonstrations, and knowledge-sharing sessions for customers, installers, EPC partners, distributors, and service providers.
• Represent the company as a technical expert during customer meetings, technical workshops, webinars, exhibitions, industry events, and conferences.
• Support the sales and business development teams by providing technical expertise, conducting site assessments, and presenting Solar PV and BESS solutions to prospective and existing customers.
• Establish and maintain strong relationships with customers and business partners to support long-term cooperation and business growth.
• Communicate effectively with management, sales teams, service partners, and customers to support operational excellence and business objectives.

Education & Experience

• Bachelor's Degree or above in Electrical Engineering, Electronics Engineering, Renewable Energy Engineering, or other related Engineering disciplines.
• Minimum 3 years of experience in field service, commissioning, technical support, operations and maintenance, or related roles within the renewable energy, solar, energy storage, or power electronics industry.
• Minimum 2 years of hands-on experience in Solar PV system installation, commissioning, troubleshooting, and maintenance.
• Experience with Battery Energy Storage Systems (BESS), hybrid inverter systems, energy management systems, or related renewable energy technologies is highly preferred.
• Experience working with Residential and Commercial & Industrial (C&I) Solar PV projects is an advantage.

Skills

• High level of commitment, accountability, customer focus, and responsiveness.
• Strong technical understanding of Solar PV systems, battery energy storage systems (BESS), hybrid inverters, BMS, EMS, and related power electronics equipment.
• Solid knowledge of electrical systems, protection devices, switchgear, grid-connected renewable energy systems, and electrical safety practices.
• Strong troubleshooting, analytical, and problem-solving skills with the ability to perform root-cause analysis and develop effective solutions.
• Demonstrated leadership, teamwork, and stakeholder management skills.
• Strong project coordination and time management skills in a fast-paced environment.
• Excellent written, verbal, presentation, and public speaking skills, with the ability to communicate technical concepts to both technical and non-technical audiences.
• Excellent customer relationship management and interpersonal skills.
• Proficiency in Microsoft Office applications and technical reporting tools.
• Knowledge of SCADA systems, Modbus communication protocols, remote monitoring platforms, and networking fundamentals is an advantage.
• Excellent communication skills in English. Chinese language proficiency is a plus.